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category:
Lead-acid Battery Charger
height:
30 cm
length:
49 cm
mpn:
BT521
weight:
12.1 kg
width:
37 cm
Product Description
This 12V Lead-Acid Battery Charger is a versatile charger and tester designed for automotive 12V lead-acid batteries — including standard, maintenance-free, Ca/Ca AGM and gel types. Equipped with intelligent charging and safety protections such as over-current, over-voltage, reverse-connection, overheating and anti-overcharging, it delivers reliable and safe charging performance for cars, motorcycles, ATVs, lawn equipment and more.
Key Features
- Tests battery CCA value and overall health status before charging begins
- Shortcut “Fn” key enables battery batch testing mode or fast charging mode
- 8-step charging supports efficient charging for various 12V lead-acid battery types (ordinary, maintenance-free, Ca/Ca AGM, GEL, etc.)
- Comprehensive safety protections: over-voltage, over-current, overheating, reverse connection, anti-overcharging and anti-discharge protection — ensuring a safe operation environment for the battery and charger hardware :contentReference[
- Wide language support including English, German, French, Spanish, Italian and Dutch
- Lifetime free software updates to keep charging functions current
Specifications
| Rated AC Voltage | 100–240 V~ AC / 50–60 Hz |
|---|---|
| Maximum Charging Current | 5 A, 3 A, 1 A |
| Reverse Leakage Current | < 60 mA/h |
| Operation Temperature | -20 °C ~ +70 °C (-4 °F ~ 158 °F) |
| Battery Type Supported | All 12 V lead-acid batteries (ordinary, maintenance-free, Ca/Ca AGM, GEL) |
| Languages Supported | English, German, French, Spanish, Italian, Dutch |
| Free Update | Lifetime |
| MOQ | 1 PCS (10 PCS/CTN) |
| Carton Size | 49 × 37 × 30 cm |
| Gross Weight (G.W.) | 13 kg |
Applications
- Charging automotive 12 V lead-acid batteries
- Batch battery testing in workshops
- Battery maintenance & long-term storage charging
- Suitable for cars, bikes, ATVs, lawn equipment, boats and more